SOURCE

 var arr = [{id: 22, name: 'zs'}, {id: 23, name: 'ls'}, {id: 23, name: 'ls'}，{id: 22, name: 'zs'}，{id: 22, name: 'zs'}]
 console.log(arr) 
        for (var i = 0, len = arr.length; i < len; i++) {
            for (var j = i + 1; j < arr.length; j++) {
                if (arr[i].id === arr[j].id) {
                    arr.splice(j, 1)
                }
            }
        }
console.log(arr)